<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button class="btn-login" type="primary" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
		<text class="tip-text">登录后享受更多权益</text>
	</view>
</template>

<script>
	import {mapMutations, mapState} from 'vuex'
	export default {
		name:"my-login",
		data() {
			return {
				
			};
		},
		computed: {
			...mapState('m_user', ['redirectInfo'])
		},
		methods: {
			...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),
			getUserInfo(e) {
				// console.log(e)
				if(e.detail.errMsg === 'getUserInfo: fail auth deny') return uni.$showMsg('您取消了授权！')
				// console.log(e.detail.errMsg)
				this.updateUserInfo(e.detail.userInfo)
				// console.log(e.detail.userInfo)
				this.getToken(e.detail)
			},
		 
			async getToken(info) {
				// console.log(info)
				const [err, res] = await uni.login().catch(err => err)
				if(err ||  res.errMsg !== 'login:ok') return uni.$showMsg('登录失败')
				const query = {
					code: res.code,
					encryptedData: info.encryptedData,
					iv: info.iv,   
					rawData: info.rawData,
					signature: info.signature
				}
				
				const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				console.log(loginResult)
				if(loginResult.meta.status !== 200) return uni.$showMsg('登录失败！')
				this.updateToken(loginResult.message.token)
				this.navigateBack()
			},
			
			navigateBack() {
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
				 uni.switchTab({
				 	url: this.redirectInfo.from,
					complete: () => {
						this.updateUserInfo(null)
					}
				 })
				}
			}
		}	
	}
</script>

<style lang="scss">
.login-container {
	height: 750rpx;
	background-color: #F8F8F8;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	position: relative;
	overflow: hidden;
	
	&::after {
		content: '';
		display: content;
		width: 100%;
		height: 40px;
		background-color: white;
		position: absolute;
		bottom: 0;
		left: 0;
		border-radius: 100%;
		transform: translateY(50%);
	}
	
	.btn-login {
		width: 90%;
		border-radius: 100px;
		margin: 15px 0;
		background-color: #C00000;
	}
	
	.tip-text {
		font-size: 12px;
	}
}
</style>